When I am editing video in premiere elements, I often sync audio from an external source to improve the sound quality of my video. However, I notice that the external audio goes out of sync two-three minutes into the video. I get my external audio from a CD recorder that records sound from my church's sound system. I use a 74-minute CD-RW disc (not sure how many times it was used prior). The audio records in a WMA format to the disc. I tried to remedy the sync issues by converting from WMA to WAV. However, it did nothing. However, I have used audio from an app called Recordium on my cell phone in WAV format and it works fine throughout.
Can anyone give me any ideas on why this issue is occurring and how to fix it? Thank you so much in advance!